%N Primes : if sums of prime number and 8 consecutive prime numbers on-left-and-on-right are also primes.

%C 3+5+7+11+13+17+19+23+29=127(prime);29+31+37+41+43+47+53+59+61=401(prime),... prime(n)+prime(n-1)+prime(n-2)+prime(n-3)+prime(n-4)+..+prime(n-8) are primes and prime(n)+prime(n+1)+prime(n+2)+prime(n+3)+prime(n+4)+..+prime(n+8) are also primes.